T0 Big tech Alibaba Round 1
Alibaba AI Infra first round (2)
Real Alibaba AI Infra first-round interview questions covering high-performance computing and related topics
High-performance computing
Fundamentals
- Describe the full Qwen-VL training pipeline.
- In multimodal LLMs, what common ways pass visual features into the LLM?
- How is ViT usually pretrained?
- For images or video of different sizes, how should positional encoding be designed?
- What do residual connections do in ResNet or Transformer? Expand on it.
- Introduce the basic idea and implementation of multimodal RAG.
Project experience
- Introduce yourself and walk through project experience in detail.
- Outline the large-model training pipeline.
Open questions
- When GPU memory is short during training or inference, what optimization options exist?
Coding
- Kth largest element in an array (LeetCode 215).